"We hope these findings will silence some of the naysayers of the Wero project which has now been proven to have significant social and economic benefits for the community in the south as well as the wider Auckland region."

He says the project will attract international events.

It will also provide New Zealand's Olympic team with an accessible training facility.

If it's given the go-ahead, the $30 million project would be part-funded by the sale of surplus land at the events centre, projected to raise $20 million.